<div class="input-container">
  <div class="button-input">
    <a href="#search-input-popover" class="mui-btn mui-btn-danger">
      <span class="search-choose-result" data-name="fenlei" data-key="0">全部分类</span>  
      <span class="mui-icon"></span>
    </a>
    <form>
      <input type="hidden" name="category" class="category">
      <div class="input-warp">
        <input type="search" class="mui-input-clear search" name="content" placeholder="商标名称  关键词">
        <input type="submit" class="fangda" value="">
      </div>
    </form>
  </div>
</div>